CouchFoo provides an ActiveRecord API interface to CouchDB

Unofficial ruby library for consuming the Grooveshark API.

Scalable Rails Background Processing with AWS Lambda & SQS.

Cloudist is a simple, highly scalable job queue for Ruby applications, it can run within Rails, DaemonKit or your own custom application. Refer to github page for examples

SpeedTracer middleware for server side debugging

ORM for Redis (advanced key-value storage) with ActiveRecord API

Super simple slugs for ActiveRecord 3.0 and higher, with support for slug history

agcaldav is yet another great Ruby client for CalDAV calendar. It is based on the icalendar gem.

RelaxDB provides a simple interface to CouchDB

A pure-ruby growl notifier for UDP and GNTP growl protocols. ruby-growl allows you to perform Growl notifications from machines without growl installed (for example, non-OSX machines). What is growl? Growl is a really cool "global notification system originally for Mac OS X". You can receive ...

This is a Ruby library for integrating with SagePay. SagePay is a payment gateway for accepting credit card payments through your web app.

Lenovo XClarity API Client

XcodeProject is the Ruby API for working with Xcode project files

This gem contains helper methods for generating the Component XML file needed to upload files to the Building Component Library. It also contains the classes needed for logging in via the api and uploading generating components and measures.

Code Climate command line tool

You can control to DeployGate in your terminal

Create an eBook (epub) of your Jekyll blog

Client library for Novu API.

A plugin for Cramp that enables websockets using the Socket.io protocol

Drop in crowdsourcing for your Rails app.